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Senior R&D Software Developer Jobs in Louisville, KY

Patientco

Sr. Software Engineer II

Louisville, KY · On-site

$117K - $155K/yr

Solid understanding of software development best practices including Agile methodologies, CI/CD (Azure DevOps Pipelines), and test-driven development (TDD). * Experience with containerization and ...

Right Talent Right Now

Senior Developer 150002AR

Louisville, KY · On-site

$52.25 - $69.25/hr

... Senior Developer Responsibilities Provide technical knowledge, analyze and develop complex end-to-end solutions. Code, test, identify, implement and document technical solutions Perform design and ...

GE Appliances

Senior Applied AI Engineer

Louisville, KY · On-site

$117K - $155K/yr

You'll be responsible for designing, building and supporting scalable software solutions that power ... Experience with CI/CD pipelines and DevOps practices, including automated testing and deployment

GE Appliances

Senior Applied AI Engineer

Louisville, KY · On-site

$117K - $155K/yr

You'll be responsible for designing, building and supporting scalable software solutions that power ... Experience with CI/CD pipelines and DevOps practices, including automated testing and deployment

GE Appliances

Senior Applied AI Engineer

Louisville, KY · On-site

$117K - $155K/yr

You'll be responsible for designing, building and supporting scalable software solutions that power ... Experience with CI/CD pipelines and DevOps practices, including automated testing and deployment

Humana Inc

Lead Full Stack Engineer

Louisville, KY · On-site

$129 - $178/hr

R-417643# **Become a part of our caring community**Become a Part of Our Caring Community and Help ... senior-level software engineering experience on large-scale initiatives.* 2+ years of project ...

Firstsource

Systems Integration Developer

Louisville, KY · On-site

$46 - $61/hr

Job Summary We are seeking a highly skilled Senior BPaaS System Integration Developer to design ... in software development and system integration. * Strong expertise in Python (automation, APIs ...

Waystar

Software Engineer II

Louisville, KY · On-site

NET microservices, event-driven messaging, and SQL Server data tiers, working alongside senior ... DevOps Pipelines), and automated testing. * Familiarity with Git-based version control and GitHub ...

Patientco

Software Engineer II

Louisville, KY

NET microservices, event-driven messaging, and SQL Server data tiers, working alongside senior ... DevOps Pipelines), and automated testing. * Familiarity with Git-based version control and GitHub ...

El Toro.com

Senior DevOps Engineer

Louisville, KY · On-site

$124K - $160K/yr

Senior DevOps Engineer Location: Louisville, KY (Hybrid) About El Toro At El Toro, everything we do ... Experience in writing software in one or more of the following languages: Python, Shell, Go, or ...

Humana

Lead, Offensive Security

Louisville, KY · Remote

This requires a production software engineering mindset, not proof-of-concept scripting. Your first ... A program that's already serious about AI. Fridays are dedicated to R&D. You'll have Hack The Box ...

Humana

Lead, Offensive Security

Louisville, KY · Remote

This requires a production software engineering mindset, not proof-of-concept scripting. Your first ... A program that's already serious about AI. Fridays are dedicated to R&D. You'll have Hack The Box ...

Humana, Inc.

Lead, Offensive Security

Louisville, KY · On-site

This requires a production software engineering mindset, not proof-of-concept scripting. Your first ... A program that's already serious about AI. Fridays are dedicated to R&D. You'll have Hack The Box ...

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All JobsR&D Software Developer JobsSenior R&D Software Developer JobsSenior R&D Software Developer Jobs in Louisville, KY

Senior R D Software Developer information

See Louisville, KY salary details

$14

$59

$84

How much do senior r&d software developer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for senior r&d software developer in Louisville, KY is $59.31, according to ZipRecruiter salary data. Most workers in this role earn between $50.34 and $66.54 per hour, depending on experience, location, and employer.

What is the difference between Senior R&D Software Developer vs Software Engineer?

AspectSenior R&D Software DeveloperSoftware Engineer
CredentialsBachelor's or Master's in Computer Science or related field; experience in R&DBachelor's or higher in Computer Science or related field
Work EnvironmentResearch and development labs, innovation teamsDevelopment teams, product-focused environments
Industry UsageTech, manufacturing, research institutionsTech companies, startups, software firms
Common Search/ComparisonOften compared for R&D roles and advanced developmentMore general software development roles

The main difference is that a Senior R&D Software Developer focuses on innovative research, prototyping, and developing new technologies within R&D environments, often requiring specialized knowledge and experience. In contrast, a Software Engineer typically works on building, testing, and maintaining software products in production environments. Both roles require strong programming skills, but the Senior R&D role emphasizes research and experimentation.

What are popular job titles related to Senior R&D Software Developer jobs in Louisville, KY?

For Senior R&D Software Developer jobs in Louisville, KY, the most frequently searched job titles are:

What job categories do people searching Senior R&D Software Developer jobs in Louisville, KY look for?

The top searched job categories for Senior R&D Software Developer jobs in Louisville, KY are:

Senior R D Software Developer jobs near you
Infographic showing various Senior R&D Software Developer job openings in Louisville, KY as of July 2026, with employment types broken down into 81% Full Time, 7% Part Time, 1% Temporary, and 11% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $123,370 per year, or $59.3 per hour.

Sr. Software Engineer II

Patientco

Louisville, KY • On-site

$117K - $155K/yr

Full-time

Medical, Retirement, PTO

Re-posted 4 days ago

Job description

ABOUT THIS POSITION

Design, develop, test, deploy, and maintain robust and scalable software applications and services on the Waystar Claims platform. You will work across C#/.NET microservices, event-driven messaging, cloud-native Kubernetes infrastructure, and SQL Server data tiers to deliver high-quality, high-performance healthcare revenue cycle solutions.

WHAT YOU'LL DO

Responsibilities

  • Design, develop, test, deploy, andmaintainrobust and scalable software applications and services using C#/.NET.

  • Collaborate with product owners, architects, and other stakeholders to translate business requirements into technical specifications and actionable development plans.

  • Write clean, efficient, well-documented, and maintainable code adhering to Waystar's coding standards and best practices.

  • Participate in code reviews,providingconstructivefeedbackandensuringhigh codequality.

  • Troubleshoot and debug complex software issues,identifyingrootcausesand implementing effective solutions.

  • Contribute to the continuous improvement of Waystar's software development processes, tools, and infrastructure.

  • Mentor junior engineers and share knowledge within the team, fostering a culture of learning and growth.

  • Develop andmaintainautomated tests (unit, integration, and end-to-end) to ensure software reliability and stability.

  • Monitor application performance using Splunk and other observability tools;identifybottlenecks and implement optimizations to enhance user experience.

  • Stay current with emerging technologies and industry trends, evaluating and recommendingnew approachesand tools.

  • Contribute to the architectural design of new features and systems, ensuring scalability, security, and maintainability.

WHAT YOU'LL NEED

Required Qualifications

  • Bachelor's orMaster's degree in Computer Science, Software Engineering, ora relatedtechnical field.

  • 7+ years of professional software development experience with a proventrack recordof delivering high-quality software.

  • Expertisein C# and .NET (both .NET 8 and .NET Framework); strong understanding of the .NET ecosystem and CLR.

  • Strong understanding of data structures, algorithms, and object-oriented and SOLID design principles.

  • Experience with SQL Server - schema design, stored procedures, query optimization, and performance tuning.

  • Experience designing and building microservices and distributed systems using asynchronous, message-basedarchitectures(e.g., RabbitMQ).

  • Solid understanding of software development best practices including Agile methodologies, CI/CD (Azure DevOps Pipelines), and test-driven development (TDD).

  • Experience with containerization and container orchestration: Docker, Kubernetes, and Helm chart authoring and deployment.

  • Familiarity with Git-based version control and GitHub pull request workflows.

  • Excellent problem-solving, analytical, and critical thinking skills.

  • Strong communicationand interpersonal skills, with the ability to collaborate effectively with cross-functional teams.

  • Ability to work independently and manage multiple priorities in a fast-paced environment.

Nice to Have

  • Experience with Redis for distributedcaching.

  • Experience with Snowflake, Big Query,or similar cloud data warehouse technologies.

  • Familiarity with structured logging and observability tools such as Splunk.

  • Knowledge of X12 EDI healthcare transaction standards (837 claim submission, 835 remittance advice, 270/271 eligibility inquiry/response).

  • Knowledge of healthcare IT standards (e.g., HL7, FHIR) or prior experience in the healthcare revenue cycle industry.

ABOUT WAYSTAR

Through a smart platform and better experience, Waystar helps providers simplify healthcare payments and yield powerful results throughout the complete revenue cycle.

Waystar's healthcare payments platform combines innovative, cloud-based technology, robust data, and unparalleled client support to streamline workflows and improve financials so providers can focus on what matters most: their patients and communities. Waystar is trusted by 1M+ providers, 1K+ hospitals and health systems, and is connected to over 5K commercial and Medicaid/Medicare payers. We are deeply committed to living out our organizational values: honesty; kindness; passion; curiosity; fanatical focus; best work, always; making it happen; and joyful,optimistic & fun.

Waystar products have won multiple Best in KLAS or Category Leader awards since 2010 and earned multiple #1 rankings from Black Book surveys since 2012. The Waystar platform supports more than 500,000 providers, 1,000 health systems and hospitals, and 5,000 payers and health plans. For more information, visit waystar.comor follow @Waystaron Twitter.

WAYSTAR PERKS

  • Competitive total rewards (base salary + bonus, if applicable)
  • Customizable benefits package (3 medical plans with Health Saving Account company match)
  • We offer generous paid time off for our non-exempt team members, starting with 3 weeks +13 paid holidays, including 2 personal floating holidays. We also offer flexible time off for our exempt team members + 13 paid holidays
  • Paid parental leave (including maternity + paternity leave)
  • Education assistance opportunities and free LinkedIn Learning access
  • Free mental health and family planning programs, including adoption assistance and fertility support
  • 401(K) program with company match
  • Pet insurance
  • Employee resource groups

Waystar is proud to be an equal opportunity workplace. We celebrate, value, and support diversity and inclusion. Qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, marital status, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

This applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

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